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gut health

Prince's overdose: How painkillers unleashed a deadly epidemic

Health

Prince's overdose: How painkillers unleashed a deadly epidemic

With prescription opioids, tolerance to painkilling effects can rise faster than resistance to an overdose. It's a deadly catch-22, says Samantha Murphy

Comment

Face it, the Olympics won't be axed. We need to Zika-proof them

Health

Face it, the Olympics won't be axed. We need to Zika-proof them

Analysis

Plaque in the brain

Health

Vaccines might be able to stop Alzheimer’s plaques from forming

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3D CLARITY image shows neural connections from the prefrontal cortex across an entire transparent mouse brain

Health

See-through brains reveal memory pathways for pleasure and fear

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Plaques in the brain are behind Alzheimer's

Life

Alzheimer’s may be caused by brain’s sticky defence against bugs

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sleep cartoon

Health

5 sleep disorders you didn't know existed

Features

How mental health needs sleep – and vice versa

Health

How mental health needs sleep – and vice versa

Features

Gut bacteria influence the birth of new brain cells in mice

Life

Gut bacteria influence the birth of new brain cells in mice

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Cancel the Olympic Games in Brazil because of Zika? No way

Health

Cancel the Olympic Games in Brazil because of Zika? No way

Comment

Lethal injections under threat after US drug firm pulls plug

Health

Lethal injections under threat after US drug firm pulls plug

It has become a bit more difficult for US states to carry out the death penalty, thanks to an announcement by the pharmaceutical firm Pfizer

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Life

Got dandruff? The bacteria living on your head might be to blame

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Health

Having an overactive immune system may prime you for depression

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Health

Let people most affected by gene editing write CRISPR rules

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Health

The foundations of schizophrenia may be laid down in the womb

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